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authorJoseph Myers <joseph@codesourcery.com>2013-04-25 19:23:11 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-04-25 19:23:11 +0000
commit73709b2611f29d73dbe31de70cc775f27e2650aa (patch)
tree5f595a317a8ab67105c350a55c78c8d94f4b49d0 /sysdeps/x86_64/tst-audit6.c
parent1ef74943ce2f114c78b215af57c2ccc72ccdb0b7 (diff)
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Move x86_64-specific audit tests to sysdeps/x86_64/.
Diffstat (limited to 'sysdeps/x86_64/tst-audit6.c')
-rw-r--r--sysdeps/x86_64/tst-audit6.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-audit6.c b/sysdeps/x86_64/tst-audit6.c
new file mode 100644
index 0000000..64209a1
--- /dev/null
+++ b/sysdeps/x86_64/tst-audit6.c
@@ -0,0 +1,42 @@
+/* Test case for x86-64 preserved registers in dynamic linker. */
+
+#include <stdlib.h>
+#include <string.h>
+#include <cpuid.h>
+#include <emmintrin.h>
+
+extern __m128i audit_test (__m128i, __m128i, __m128i, __m128i,
+ __m128i, __m128i, __m128i, __m128i);
+
+
+static int
+avx_enabled (void)
+{
+ unsigned int eax, ebx, ecx, edx;
+
+ if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
+ || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE))
+ return 0;
+
+ /* Check the OS has AVX and SSE saving enabled. */
+ asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
+
+ return (eax & 6) == 6;
+}
+
+
+int
+main (void)
+{
+ /* Run AVX test only if AVX is supported. */
+ if (avx_enabled ())
+ {
+ __m128i xmm = _mm_setzero_si128 ();
+ __m128i ret = audit_test (xmm, xmm, xmm, xmm, xmm, xmm, xmm, xmm);
+
+ xmm = _mm_set1_epi32 (0x98abcdef);
+ if (memcmp (&xmm, &ret, sizeof (ret)))
+ abort ();
+ }
+ return 0;
+}